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Fresco: although you were correct that he ignored your argument, your idea of picking his argument apart was not fulfilled fully as you made a few mistakes for one thing Kakuzu is still able to move when domu is only partly active so if he were to use Domu on his feet, only he could break through the sand similar to how CM2 kimi broke through sand coffin, However i do not think Your opponents countered it through this method ..simply an observation i made, however as Mil. later pointed out your strategy on Gaara simply crushing Kakuzu when he un-domu's is incorrect as not all his sand is sensor sand so he would have no idea when Kakuzu lets down domu, leaving him vulnerable from a breakthrough of the sand similar to how i stated above, also Kimimaro was able to deduce that he carries sand in that guard that he uses, Kakuzu should be able to easily albeit not for the whole "wind affinity" argument but nonetheless i see it very possible also as you can see
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Kakuzu's katon also extends into the air quickly so flight may not be a suitable counter for it, also i'm sorry to say but you were wrong in assuming that gian lacks the piercing properties to breach the sand, as the data book stated it too have incredible piercing properties which again Mil. Pointed out, your last mistake was saying that Creating all that sand takes no chakra
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as gaara states here he uses chakra to create the sand, Besides these points (and the one about gian being slow due to Kakashi being able to intercept it) your post was Good
Waltz-Didn't quite get why you said Creating all that sand was futile because they object was too kill,but anyways your post was quite good, your point on gian injuring Kakashi was good However i was a bit skeptical on Kakuzu's whole body moving that fast under ground, especially for it being fast enough to use an ambush? You succesfully provided a counter for Elites Raikage's lightning chop argument and Fresco's Argument that Gian was slow, all in all you had a great post, and the better middle post